MESON Chess Problem Database

Problem Display
PID: 140891 (4n3/2rR2B1/3b1q2/1pP3N1/1P1kpQ2/5BK1/N1pnP3/3R1b2 w - - 0 1)

Aarzen, Hans

Probleemblad, 1978

4n3/2rR2B1/3b1q2/1pP3N1/1P1kpQ2/5BK1/N1pnP3/3R1b2

#2

11 + 10

15148 Sadier Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd6+?
      • 1...Ke3
        • 2.Qxd2#
      • 1...Kc4
        • 2.Qd5#
      • 1...Sxd6!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sxd2#
        • 2.Sf2#
        • 2.Sec3#
        • 2.Sg5#
        • 2.Sxd6#
        • 2.Sxf6#
      • 1...Qxg7+
        • 2.Sg5#
      • 1...Kc4
        • 2.Sxd2#
      • 1...Kd5
        • 2.Sg5#
      • 1...Rxd7
        • 2.Sxd6#
      • 1...Bxe2
        • 2.Sf2#
      • 1...Sxg7
        • 2.Sxf6#
      • 1...cxd1Q
        • 2.Sxd2#
      • 1...cxd1S
        • 2.Sxd2#
      • 1...cxd1B
        • 2.Sxd2#
      • 1...cxd1R
        • 2.Sxd2#
      • 1...Qe5
        • 2.Sxd2#
        • 2.Sf2#
        • 2.Sec3#
        • 2.Sg5#
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK,N_PINP(e),N_SPINQ(G),XB(g)
      • Vars
        • K(d);N_SPINQ(h),N_SPINS(c),OGATE,S_FLIGHT::QAB1(G),XS(c)
        • K(d);N_SPINQ(h),N_SPINS(c),P-FLIGHT::QAB1(G)
      • Refutation
        • S(j);XQ(G)
  • Actual
    • S(I);XP(e)
    • Threat
      • DUALS(6)
    • Vars
      • Q(h);CHECK,N_SPINQ(h),XB(K)::QAR(G)+S(I)
      • K(d);N_SPINB(g),N_SPINQ(h),N_SPINS(c),P-FLIGHT::QAR(G)+S(I),DCHECK,XS(c)
      • K(d);N_SPINQ(h),P-FLIGHT::B(D)+S(I)
      • R(i);N_SPINB(g),XR(J)::QAR(G)+S(I),XB(g)
      • B(a);XP(C)::QAR(G)+S(I)
      • S(j);N_SPINQ(h),XB(K)::QAR(G)+S(I),XQ(h)
      • P(b);N_SPINS(c),XR(A)::QAR(G)+S(I),XS(c)
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